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Intangible Assets And Goodwill (Goodwill) (Details) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 28, 2014
Dec. 31, 2013
Goodwill Activity    
Aggregate goodwill $ 383 $ 361
Accumulated impairment losses 0 0
Goodwill, net of impairment losses 383 361
Goodwill acquired 22  
Products
   
Goodwill Activity    
Aggregate goodwill 264 249
Accumulated impairment losses 0 0
Goodwill, net of impairment losses 264 249
Goodwill acquired 15  
Services
   
Goodwill Activity    
Aggregate goodwill 119 112
Accumulated impairment losses 0 0
Goodwill, net of impairment losses 119 112
Goodwill acquired $ 7